function setCookie(name, value, expires, path, domain, secure) {
	document.cookie=name+"="+escape(value)+
		((expires==undefined) ? "" : ("; expires="+expires.toGMTString()))+
		((path==undefined) ? "" : ("; path="+path))+
		((domain==undefined) ? "" : ("; domain="+domain))+
		((secure==true) ? "; secure" : "");
}
function getCookie(name,defaut) {
    (defaut==undefined) ? null : defaut;
	if (document.cookie.length==0) { return defaut; }
	var regCookies=new RegExp("(; )","g");
	var cookies=document.cookie.split(regCookies);
	for (var i=0; i<cookies.length ; i++) {
		var regInfo=new RegExp("=","g");
		var infos=cookies[i].split(regInfo);
		if (infos[0]==name) {
			return unescape(infos[1]);
		}
	}
	return defaut;
}